Forum Discussion
Migration of OneNote data between Office 365 Tenants for Multiple Users
We've around 3000 users that we're having to migrate from one Office 365 tenant to a different Office 365 tenant. Email and OneDrive data we can do no issue - tools like ShareGate and others help us ...
Most of the time Onenote data is saved to Onedrive or SharePoint Online. You can use Tools like Sharegate to move the library or Site from one tenant to the other tenant.
An other free option is to use AZ copy:
https://support.office.com/en-us/article/Use-network-upload-to-import-SharePoint-data-to-Office-365-ed4a43b7-c4e3-45c8-94c8-998153407b8a
You then use a Azure storage account to get the data to the other tenant.
Most important is to get the exact location of the OneNote books.